SPECIFICATIONS
STEERER DIAMETER: 1-1/8"
OUTER DIAMETER: 40.4mm
INNER DIAMETER: 30.2mm
HEIGHT: 6.3mm
CHAMFER ANGLE: 45°
FSA headset bearings are machined and assembled to precise tolerances. Use the filters to determine bearing options based on accurate measurements
FSA - 1 1/8" HEADSET BEARING - MR139 - ORBIT OPTION
Please check precise measurements against the below to determine the correct size.
SPECIFICATIONS
STEERER DIAMETER: 1-1/8"
OUTER DIAMETER: 40.4mm
INNER DIAMETER: 30.2mm
HEIGHT: 6.3mm
CHAMFER ANGLE: 45°
Uses Chrome steel balls and races
Known as part code MR139, for FSA Orbit Option headsets